title: [Cardiac vitamin B12 deficiency; preliminary communication].
mesh_terms: D045728:Corrinoids; D006331:Heart Diseases / Q000517:prevention & control*; D006397:Hematinics; D006801:Humans; D014805:Vitamin B 12 / Q000627:therapeutic use*; D014806:Vitamin B 12 Deficiency; D014803:Vitamin B Complex
chemical_list: D045728:Corrinoids; D006397:Hematinics; D014803:Vitamin B Complex; D014805:Vitamin B 12
keywords: HEART DISEASE/prevention and control; VITAMIN B12/therapeutic use
vernacular_title: Avitaminosis B12 cardiaca; comunicacion previa.